2,3-Butanedione

• Formula: C₄H₆O₂
• Molecular weight: 86.0892
• IUPAC Standard InChI: InChI=1S/C4H6O2/c1-3(5)4(2)6/h1-2H3 Copy

  
• IUPAC Standard InChIKey: QSJXEFYPDANLFS-UHFFFAOYSA-N Copy
• CAS Registry Number: 625-34-3
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Species with the same structure:
  • 2,3-Butanedione
• Information on this page:
  • Phase change data
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • UV/Visible spectrum
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Phase change data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Nicholson, Szwarc, et al., 1954
Nicholson, G.R.; Szwarc, M.; Taylor, J.W., The heats of formation of diacetyl and of benzyl methyl ketone in the vapour phase, J. Chem. Soc., 1954, 2767-2769. [all data]

Springall and White, 1954
Springall, H.D.; White, T.R., Heats of combustion and molecular structure. Part II. The mean bond energy term for the carbonyl system in certain ketones, J. Chem. Soc., 1954, 2765-27. [all data]

Notes

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• Symbols used in this document:
  

  ΔvapH°

  Enthalpy of vaporization at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
• The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
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